<!DOCTYPE html>
<html lang="en">
<head>
    <title>多柱状图</title>
    <script src="http://cdn.highcharts.com.cn/highcharts/highcharts.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/echarts@5.1.1/dist/echarts.min.js"></script>
    <!--        jQuery-->
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js"></script>
</head>
<body>
<!-- 为ECharts准备一个具备大小（宽高）的Dom -->
<div id="main" style="width: 800px;height:400px;"></div>

</body>
</html>
